TY - JOUR AU - M. Yu. Planida TI - Asymptotics of the eigenelements of the Laplacian with singular perturbations of boundary conditions on narrow and thin sets JO - Sbornik. Mathematics PY - 2005 SP - 703 EP - 741 VL - 196 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_2005_196_5_a3/ LA - en ID - SM_2005_196_5_a3 ER -